A fun, free platform for learning modern cryptography
Learn By Doing
Learn about modern cryptography by solving a series of interactive puzzles and challenges. Get to know the ciphers and protocols that secure the digital world by breaking them.
Earn points by solving challenges. Finish categories to earn trophies and gain levels to track your progress. Can you reach the top of the scoreboard?
We are constantly creating new challenges to keep your crypto knowledge up to date. Expect exciting brainteasers and whole new categories as the site continues to grow.
|RSA vs RNG||Misc||150|
|Decrypting TLS 1.3||Crypto on the Web||35|
|Decrypting TLS 1.2||Crypto on the Web||30|
|Authenticated Handshake||Crypto on the Web||40|
Weekly Top Users
|You either know, XOR you don't||Samuel2002||2023-02-04T15:10:48Z|
|Bytes and Big Integers||Homets||2023-02-04T15:02:26Z|